5

H.—38.

Aliisox D. Smith, Locomotive Engineer.

Sub-Enclosure to Enclosure 1 in No. 15. ANALYSIS of COST and CONSUMPTION of NATIVE COAL compared with that from Newcastle, N.S.W., as shown by Experiment on the Christchurch Section of the New Zealand Railways.

Name of Owner. Situation of Colliery. a - 9 A -Li -J3 H II a "8 d Steam Pressure per Square Inch. "8 1 1 Time-Sheet Delays (if any). I* I Its. 6 & o w Remarks. Tons. 10 Tons. 105 lbs. 9284 d. 1021 lbs. 210 d. 3.36 3.36 Engine in first-class order, bat unsuited, as it was necessary to carry coal in a truck. These tank engines can never carry a proper supply of native coal. 4- 0 The grate bars of engine were altered to suit this coal, but the result was entirely unsatisfactory. 1 Mr. Jebson Sheffield 20/6 O. 52 Started with 115 lbs., but had to stop continually to blow up fire and supply boiler Started with 120 lbs.; had to stop every 4 miles to blow up fire and supply boiler Wet ... Raining Lost 3 hours in 70 miles' run 2 u ••• j» 20/6 10 J. 20 225 Dry ... Fine ... Lost 3 hours and 15 minutes in a run of 36 miles 82-0 9-02 25-0 4-0 3 Mr. Parker Springfield 120 lbs. ... None 57-0 6-38 3'68 Kept time very well, but considerable time and labour wasted at stations cleaning fires. 3-68 23/6 10 J. 20 217 230 n ,, ... 4 Mr. Sheath Malvern 15/ 10 J. 20 100 Started with 120-lb. pressure, but could not be maintained Lost 10 minutes in 106 miles 590 4-72 210 3'36 With a heavy load it was found impossible to maintain steam. 3-36 )t ,, 5 Mr. Mcllwraith ... CHentuflnel 18/6 10 J. 20 235 Started at 120 lbs. ; had to stop continually to raise pressure and supply boiler Wet ... Boisterous wind Lost 40 minutes in 53 miles 125-0 12-37 34-0 5 "44 Pound impossible to maintain pressure in boiler. Mean . 19/7-2 — 8-54 24-8 I 3-97 ... 176-4 83-17